package com.boot2.core.mail;

import com.boot2.core.utils.StringUtils;
import lombok.extern.apachecommons.CommonsLog;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.mail.MailProperties;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;

import javax.annotation.PostConstruct;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;

/**
 * @author zhangweilin
 * @date 2018/10/27 12:30
 * @description: 基本邮件
 */
@CommonsLog
@Configuration
@ConfigurationProperties(prefix = "mail")
public class AbstractMailService {

    @Autowired(required = false)
    protected JavaMailSender mailSender;

    @Autowired(required = false)
    protected MailProperties mailProperties;

    protected String from;

    @PostConstruct
    public void init() {
        if (null!=mailProperties) {
            this.from = mailProperties.getProperties().get("from");
            if (StringUtils.isEmpty(this.from)) {
                this.from = mailProperties.getUsername();
            }
        }
    }

    /**
     * 发送简单文本邮件
     *
     * @param to
     * @param subject
     * @param content
     */
    
    public void sendSimpleMail(String to, String subject, String content) {
        System.out.println("mailProperties = " + mailProperties);
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        try {
            mailSender.send(message);
            log.info("简单邮件已经发送。");
        } catch (Exception e) {
            log.error("发送简单邮件时发生异常！目标邮箱地址:"+to+" ,subject: "+subject, e);
        }
    }

    /**
     * 发送html邮件
     *
     * @param to
     * @param subject
     * @param content
     */
    public void sendHtmlMail(String to, String subject, String content) {
        MimeMessage message = mailSender.createMimeMessage();
        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            mailSender.send(message);
            log.info("html邮件发送成功");
        } catch (Exception e) {
            log.error("发送html邮件时发生异常！目标邮箱地址:"+to+" ,subject: "+subject, e);
        }
    }

    /**
     * 发送带附件的邮件
     *
     * @param to
     * @param subject
     * @param content
     * @param filePath
     */
    public void sendAttachmentsMail(String to, String subject, String content, String filePath) {
        MimeMessage message = mailSender.createMimeMessage();

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource file = new FileSystemResource(new File(filePath));
            String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
            helper.addAttachment(fileName, file);

            mailSender.send(message);
            log.info("带附件的邮件已经发送。");
        } catch (MessagingException e) {
            log.error("发送带附件的邮件时发生异常！目标邮箱地址:"+to+" ,subject: "+subject, e);
        }
    }


    /**
     * 发送带静态资源的邮件
     *
     * @param to
     * @param subject
     * @param content
     * @param rscPath
     * @param rscId
     */
    public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) {
        MimeMessage message = mailSender.createMimeMessage();

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource res = new FileSystemResource(new File(rscPath));
            helper.addInline(rscId, res);

            mailSender.send(message);
            log.info("嵌入静态资源的邮件已经发送。");
        } catch (MessagingException e) {
            log.error("发送嵌入静态资源的邮件时发生异常！目标邮箱地址:"+to+" ,subject: "+subject, e);
        }
    }
}